MEMORY CONTROLLER AND OPERATING METHOD THEREOF

摘要

The present invention relates to a memory controller and an operating method thereof and, more specifically, the operating method thereof comprising the steps of determining access attributes in address areas to be accessed; and controlling threshold voltage distribution of memory cells included in the address area as a result of the determined access attribute. More specifically, according to an embodiment of the present invention, the access attribute comprises a first type in which the frequency of a program access and an erase access is high; and a second type in which the frequency of a read access is high.